Răspuns :
a-b=108
a=48+11b
48+11b-b=108
10b=108-48
10b=60
b=60:10
b=6
a=48+11*6
a=48+66
a=114
a=48+11b
48+11b-b=108
10b=108-48
10b=60
b=60:10
b=6
a=48+11*6
a=48+66
a=114
x-y=108 x=48+11y 48+11y-y=108 10y=108-48=60 y=60:10=6 x=48+11×6=48+66=114 Deci: x=114 si y=6